All Questions

100
votes
6answers
5k views

How is it that taking a break from a problem sometimes allows you to figure out the answer?

As a computer programmer, I have noticed an interesting phenomenon: If I am stuck on a particular problem in my work, often if I stop thinking about the problem and do something else, the answer will ...
18
votes
3answers
897 views

What are current neuronal explanations and models of 'consciousness'?

I would like to understand more about consciousness from a neuroscientific perspective. I have a limited understanding of it in the philosophical/psychological sense through lectures. Although it is ...
17
votes
1answer
559 views

Subconscious vs Unconscious

From what I know, we use the term 'subconscious' to refer to the things that we can bring into our conscious. and, we use the term 'unconscious' for things that we can't know, they come automatically ...
16
votes
2answers
886 views

What are popular rationalist responses to Tversky & Shafir?

In the early 90s Tversky & Shafir observed several violations of rationality in human participants, in particular violation of the disjunction effect and sure-thing principle. This has lead to ...
15
votes
11answers
504 views

Any work being done on Perception, Action, and/or Cognition in Video games?

Call it a nerd crossover, but I've always been curious about how we play games on a mechanistic level. However, even coming from a rational viewpoint video games seem like a fruitful domain of study, ...
3
votes
2answers
237 views

Neural Microfilaments for Computation?

I just watched an interesting TED talk (http://www.youtube.com/watch?v=1d5RetvkkuQ) where a Stuart Hameroff proposes that a neuron's microtubules are responsible for computations, and that they are ...
35
votes
3answers
2k views

What makes people easily subscribe to pseudoscientific theories?

There are many theories/disciplines that have been categorized as pseudoscience in the scientific community. The list includes many things that are regularly even quoted in media like graphology, ...
29
votes
6answers
824 views

Online data repository of research in the cognitive sciences

Sharing data is an important part of science (e.g., see APA discussion). It's also often useful to be able to have access to datasets when teaching students how to analyse data in the cognitive ...
24
votes
4answers
1k views

What are good examples of applying dynamical systems in cognitive science?

I'm a mathematics and physics student very much interested in cognitive science. Recently I've been hearing about "a new approach" in cognitive science via dynamical system theory. What are some ...
22
votes
2answers
1k views

Neural networks with biologically plausible accounts of neurogenesis

One of the reasons artificial neural net algorithms like cascade correlation (pdf) have been generating interest is because they start with a minimal topology (just input and output unit) and recruit ...
23
votes
1answer
171k views

How valid is Lumosity's Brain Performance Index and what normative information is available?

Background There is a test called Lumosity's Brain Performance Index. A sample profile of scores might be: ...
11
votes
1answer
1k views

Do the Jungian Cognitive Functions/ Processes really exist?

Background Many of us must have come across personality theories like MBTI which use part of Carl Jung's concepts to make a theoretical system used to divide people into types. For example, MBTI ...
12
votes
3answers
377 views

Are there any personality theories that use the scientific method?

Background I have come across a number of personality theories. There are even disciplines of personality theories, dividing these theories according to the assumptions they are based upon. The most ...
2
votes
3answers
7k views

Why does a person feel sad without knowing the reason?

I have known people to behave in a way they despise, and they don't know why.
23
votes
3answers
2k views

What are some of the drawbacks to probabilistic models of cognition?

Probabilistic approaches to modelling cognition are increasing in popularity and being encouraged within the field (Chater, Tanenbaum, & Yuille, 2006). What are some of the arguments against or ...
28
votes
3answers
1k views

Is the Myer Briggs Type indicator (MBTI) a reasonable scientific theory?

Background: MBTI stands for Myers-Briggs Type Indicator. It's a theory that suggests that people can be divided into 16 types, based on the way they percieve and analyse information (whether they make ...
6
votes
1answer
543 views

Are there recent theories on physiognomy?

What are recent theories on the relation between personality and facial or body shape, and are there studies to support them? See Wikipedia on physiognomy and somatotypes & constitutional ...
18
votes
2answers
732 views

Does language and/or culture affect an individual's cognitive capacity?

Some languages have multiple expressions to identify, address, comprehend, and interpret a single concept and/or experience. Are limits placed on understanding and describing aspects of cognition due ...
16
votes
2answers
728 views

Applications of computational learning theory in the cognitive sciences

Computational learning theory (CoLT) is a branch of theoretical computer science associated with the mathematical analysis of machine learning. A lot of the early ideas of the field take inspiration ...
13
votes
3answers
526 views

Research suggesting conscious control over brain region activation?

Has there been any research proving, disproving, or exploring the concept of conscious activation of specific brain regions? To elaborate on this: I've read that performing processing tasks causes ...
11
votes
1answer
600 views

Can you catch up on lost sleep?

The lack of sleep has many negative effects associated with it. Maintained sleep deprivation results in a degraded performance over time (in this case reaction time). Assuming one needs 8 hours of ...
9
votes
3answers
957 views

What areas of mathematics support the study of cognitive science?

Which areas of mathematics can be formally studied in a cognitive science major? Or: which areas of mathematics can support the study of brain. Some areas that seem relevant would be: mathematical ...
12
votes
1answer
363 views

Is there a region of cortex which over a period of development becomes the seat of self?

Background Mountcastle's hypothesis, which is based on the observation of uniform cortical anatomy, suggests that the there might be a uniform cortical "algorithm". The only reason that some cortical ...
17
votes
2answers
3k views

Is there a term for trying to remember a word, but only remembering its first letter?

This happens to me frequently. I'll say, "Oh you know that guy... uhh... I can't remember his name. But he starts with a 'Z'." You can remember part of the word but not the whole word. Is there a ...
14
votes
1answer
399 views

Is there psychoactive music?

Listen to this music for X minutes to observe Y result. Is there something like that that has been demonstrated to work for general public? The only example of an experiment that is similar that ...
9
votes
1answer
211 views

Why do participants prefer to give input values that are “round numbers”?

Background I have just been analysing some data where participants attempt to control a dynamic system with integer numeric inputs between 0 and 100. I've noticed that there is a general tendency for ...
4
votes
1answer
309 views

Innate personality tests: do they exist? If not, why?

A personality is developed by innate factors and by the things that happen in your life, but how would your personality be if you either had received the same amount of positive and negative stimuli ...
9
votes
1answer
276 views

How does neural spiking begin in the fetus?

I'm interested in modeling human brain spiking activity. How does the very first spiking activity begin in the fetus? I imagine all spiking activity is initiated by the senses and internal ...
20
votes
9answers
3k views

How can I create computer based psychology experiments using OS X?

I've used E-prime to create computer based psychology experiments (you know, the kind where you for example show a number of pictures to the participant and record their responses to them, for example ...
18
votes
3answers
3k views

Why do you sometimes write down one word while actually intending to write another?

I've caught myself writing (typing) "possible" instead of "possibly" a few times over the past few days, while I do intend to write "possibly". Only upon rereading the sentence I notice my mistake. ...
14
votes
2answers
1k views

What tasks does Bayesian decision-making model poorly?

Bayesianism has been a relatively successful paradigm for modeling decision-making. However, not every psychologist is a bayesian, and there are tasks such as the Tversky & Shafir (1992) ...
22
votes
2answers
715 views

What is an effective metric of complexity for an Artificial Neural Network?

After asking the question What is the most complex neural network... I realized I don't really have a good metric of "complexity" in a general sense. The simplest measure would likely be count of ...
20
votes
5answers
607 views

Does learning one discipline improve performance in another discipline?

I have come across a lot of articles that suggest learning across disciplines would improve cognitive abilities. This is more often referred to as Integrative Learning. Also, nowadayas a lot of ...
12
votes
1answer
245 views

Computational models of early learning in children

What are currently used biologically plausible computational models/frameworks of early learning in children? Personally, I have used cascade correlation neural nets to model pronoun acquisition ...
8
votes
2answers
253 views

Are different types of long term memories stored in different parts of the brain?

I recently had some questions concerning the capacity of the brain's memory: Are different types of long term-memories like know-how, your-life, etc. remembered in different parts of the brain? If ...
18
votes
2answers
1k views

Is there a term for individuals who can “visualize” numbers and advanced mathematics?

I recently saw an episode of 60 Minutes about Jacob Barnett, a 13 year old boy who is currently attending advanced physics classes at a local university and was portrayed by the show as being a child ...
15
votes
1answer
477 views

How long should I work before taking a break?

I'd like to work as effectively as possible for 8-9 hours a day, whether at work or studying. At some point in completing my major in psych I remember hearing about the importance of taking breaks ...
9
votes
1answer
308 views

How do the brains of savants such as Orlando Serrell and Temple Grandin compare to a standard brain?

There are the examples of Orlando Serrell and Temple Grandin, who remember quite a lot, due to autism. How do their brains compare to a standard brain? See also: Partitions and Volume:
8
votes
2answers
177 views

Is neurolinguistic programming effective in influencing sales processes?

In my country neurolinguistic programming (NLP) has become very popular in sales departments. Therefore, I wonder if there are any experiments which examine the contribution of NLP to the sales ...
8
votes
3answers
503 views

Neurotransmitter based imaging techniques

All the brain imaging techniques I know fall into two categories: Tracking blood Either by looking at the magnetic (fMRI), or near-infared absorption (diffuse optical imaging, NIRS) properties of ...
5
votes
2answers
1k views

What free scientific measures of Big 5 personality are available?

I'm aware of a few freely available scientific measures of Big 5 personality. IPIP: Ten Item Personality Inventory (TIPI) Questions: What other free scientific Big 5 personality tests are ...
2
votes
2answers
140 views

What exactly is meant when it is said that only you can make yourself happy?

From Lifehack: Thinking that having a significant other will complete you. If you are not a whole person already, then having a romantic partner will not make you whole. Plus, it puts a ...
10
votes
0answers
166 views

Human behaviour in one-shot perfect information games

Background A one-shot game is one where two participants have some set of actions $\{1, ... , n\}$, they make their decision on which option to take (without knowing the decision of their partner, or ...
6
votes
1answer
324 views

Can learning be facilitated by transcranial magnetic stimulation?

I read a book a while ago called The Brain that Changes Itself by Norman Doidge (2007), and it brought to my attention a machine known as a transcranial magnetic stimulator (TMS) which can ...
3
votes
1answer
576 views

What is the correlation between Grade Point Average (GPA) and intelligence?

What is an authoritative empirical estimate of the correlation between pscyhometric measures of intelligence and Grade Point Average (GPA)? What are the main factors that influence the size of the ...
5
votes
3answers
139 views

Which morals are universal across the species?

This is the first of a series of three questions about morality: There are sets of moral standards within any given society. What one society deems as acceptable may be deemed as abhorrent in ...
3
votes
1answer
174 views

Neuroplasticity and Treatment of Depression

After reading 'The Brain That Changes Itself' by Norman Doidge, 'The Mind and The Brain' by Jeffrey Schwartz and a few other books, I've become curious about the science of neuroplasticity, which, as ...
3
votes
1answer
116 views

Is there evidence to suggest that music can trigger release of a particular kind of neurotransmitter?

I've recently listened to a podcast, "The music in your brain", in which Dr. Daniel Levitin suggests that: Soothing music can trigger release of oxytocin Sad music triggers release of prolactin An ...
2
votes
2answers
125 views

Split Brain Experiments on Animals

I was wondering what would happen if you took a split brain person and stimulated the pleasure center of one hemisphere and the pain center of the other hemisphere in conjunction with an external ...
1
vote
1answer
106 views

Brainwave audio recordings and beta waves: how do they affect positivity?

I know a little bit about negative and positive energies of human bodies and how it all works. Recently, on Facebook, I saw an ad promoting some sort of audio recording and that it has something to do ...

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